MX29LV320MB Macronix International, MX29LV320MB Datasheet - Page 39

• Manufacturer Part Number: MX29LV320MB
• Description: 32M-BIT [4M x 8/2M x 16] SINGLE VOLTAGE 3V ONLY FLASH MEMORY
• Manufacturer: Macronix International

Figure 7. WRITE BUFFER PROGRAMMING ALGORITHM FLOWCHART
P/N:PM1129
Q1 = 1 ?
No
Yes
(Note 1)
(Note 3)
(Note 2)
Yes
No
Write next address/data pair
Write number of addresses
Read Q7~Q0 with address
to program minus 1(WC)
Write first address/data
= Last Loaded Address
to flash sector address
Write "Write to Buffer"
Q7 and Q15 = Data ?
Write program buffer
Read Q7~Q0 at Last
and Sector Address
Buffer Operation ?
Loaded Address
Sector Address
FAIL or ABORT
command and
Abort Write to
WC = WC - 1
Q7 = Data ?
WC = 0 ?
Q5 = 1 ?
No
Yes
No
No
No
Yes
Yes
Yes
Abort Reset" command sequence
Must write "Write-to-buffer
Write to buffer ABORTED.
Part of "Write to Buffer"
to return to read mode.
Command Sequence
Write to a different
sector address
39
PASS
MX29LV320MT/B
Notes:
1. When Sector Address is specified, any address in
2. Q7 may change simultaneously with Q5.
3. If this flowchart location was reached because Q5=
4. See Table 3 for command sequences required for
the selected sector is acceptable. However, when
loading Write-Buffer address locations with data, all
addresses must fall within the selected Write-Buffer
Page.
Therefore, Q7 should be verified.
"1" then the device FAILED. If this flowchart location
was reached because Q1="1", then the Write to
Buffer operation was ABORTED. In either case, the
proper reset command must be written before the
device can begin another operation. If Q1=1, write
the Write-Buffer-Programming-Abort-Reset com-
mand. If Q5=1, write the Reset command.
write buffer programming.
REV. 1.1 , JUL. 14, 2005
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